Developed and delivered full integration of the Risk of Rain 2: Seekers of the Storm DLC within the Archipelago repository, focusing on expanding game content and player options. This work involved implementing support for new environments, additional victory conditions, and stage variant customization, all designed to align with the DLC’s unique gameplay features. Using Python and leveraging skills in environment design and unit testing, the developer ensured clean, well-documented commits and maintained code quality throughout the process. The feature laid a scalable foundation for future DLC support, enhancing the repository’s extensibility while prioritizing maintainability and robust game development practices.